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Gentoo Linux Security Advisory                           GLSA 201903-13
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: BIND: Multiple vulnerabilities
     Date: March 14, 2019
     Bugs: #657654, #666946
       ID: 201903-13

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Synopsis
========

Multiple vulnerabilities have been found in BIND, the worst of which
could result in a Denial of Service condition.

Background
==========

BIND (Berkeley Internet Name Domain) is a Name Server.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-dns/bind              < 9.12.1_p2-r1         >= 9.12.1_p2-r1 

Description
===========

Multiple vulnerabilities have been discovered in BIND. Please review
the CVE identifiers referenced below for details.

Impact
======

BIND can improperly permit recursive query service to unauthorized
clients possibly resulting in a Denial of Service condition or to be
used in DNS reflection attacks.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All bind users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/bind-9.12.1_p2-r1"

References
==========

[ 1 ] CVE-2018-5738
      https://nvd.nist.gov/vuln/detail/CVE-2018-5738
[ 2 ] CVE-2018-5740
      https://nvd.nist.gov/vuln/detail/CVE-2018-5740
[ 3 ] CVE-2018-5741
      https://nvd.nist.gov/vuln/detail/CVE-2018-5741

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201903-13

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2019 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5